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40×60 Concrete Slab Cost in Raleigh, NC (2026)

A 40×60 concrete slab in Raleigh, NC costs about $29,244 turnkey in 2026 ($12.19 per sq. ft.). Here's the itemized breakdown of materials, site prep and labor, using local crew rates.

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2,400 sq. ft. · 6" heavy-duty (RVs, lifts, equipment)

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What does the $9.99 spec sheet add? ↓
Concrete & Rebar Materials
$10,401
Ready-mix concrete, rebar, forms & vapor barrier
= Rows 3–6 below, materials only
Excavation & Gravel Base
$5,880
Grading, haul-off & compacted stone base
= Rows 1–2 below, installed price
Turnkey Installed Total
$29,244
$12.19 per sq. ft.
Formed, poured & finished by a local concrete crew
= All rows below, installed price

Prices updated Oct 2026

A fair bid from a local builder in Raleigh, NC should land between $24,857 and $35,093, about 15% below to 20% above this estimate. Quotes for the same building can vary widely, so get 3 quotes on the same spec. If one is outside this range, ask what it includes or leaves out.

Estimate only. Actual prices vary. No guarantee or warranty. Use as a guide only. Read the full disclaimer

Itemized cost breakdown

#ItemQuantityMaterialsLaborInstalled
1Excavation & gradingStrip topsoil, cut/fill to grade, haul-off2,800 sq ft$967$1,622$3,107
2Compacted gravel base (4")Crushed stone, plate-compacted41.5 tons$1,228$1,083$2,773
36" ready-mix concrete (3,500 PSI)Includes 5% waste and thickened edges51.9 cu yd$6,451$0$7,741
4#4 rebar grid (12" on center) & chairsTied rebar on chairs, dowels at doors5,280 lf$2,865$1,841$5,647
5Forms, pour & finish laborSet forms, place, power-trowel finish, cure2,400 sq ft$493$5,415$7,090
6Vapor barrier & control jointsDetails in the spec sheet🔒 Included in $9.99 spec sheet——🔒
7Concrete pump (trailer-mounted)Details in the spec sheet🔒 Included in $9.99 spec sheet——🔒
8Permit & inspection (if required)Details in the spec sheet🔒 Included in $9.99 spec sheet——🔒
Turnkey total$13,581$10,825$29,244

The totals above already include every row, including the 🔒 rows. The $9.99 spec sheet lists them item by item with quantities.

What do these terms mean?
  • Turnkey total: materials, site work and a crew to build it, all in one number.
  • PSI: a concrete strength rating.
  • #4 rebar: ½-inch steel bar laid in a grid inside the concrete.
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Prices use 2026 material costs and typical local crew rates. Site work, custom options and material price swings can move your final price.

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Builder Spec Sheet & Shopping List

A sheet for comparing 3 builder bids line by line, and a builder-ready spec so every builder prices the same building.

  • Every line item on this page, including the 🔒 rows, in an editable Excel file and a PDF (spec, quantity, materials, labor and installed price)
  • A permit and site-prep checklist

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Common questions

How much does a 40×60 Concrete Slab cost in Raleigh, NC?

About $29,244 fully built by a local crew in 2026, or roughly $10,401 for the materials kit alone. Most fair bids land between $24,857 and $35,093.

What drives the price up or down?

Site prep (slope, soil, driveway access), floor choice, doors and insulation, and local labor rates. Lumber and steel prices also move a few percent a year.

Do I need a permit?

Permit requirements vary by county and city. Check with your county or city building office before you build.

How do I make sure I'm getting a fair quote?

Get at least 3 itemized bids for the same spec. Compare them line by line against this breakdown and ask about anything far above or below it.

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